/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.swak.boot.config.dubbo.event;

import static com.swak.boot.config.dubbo.DubboUtils.DUBBO_GITHUB_URL;
import static com.swak.boot.config.dubbo.DubboUtils.DUBBO_MAILING_LIST;
import static com.swak.boot.config.dubbo.DubboUtils.DUBBO_SPRING_BOOT_GITHUB_URL;
import static com.swak.boot.config.dubbo.DubboUtils.LINE_SEPARATOR;

import org.apache.dubbo.common.Version;
import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;

/**
 * Dubbo Welcome Logo {@link ApplicationListener}
 *
 * @see ApplicationListener
 * @since 2.7.0
 */
@Deprecated
@Order(Ordered.HIGHEST_PRECEDENCE + 20 + 1) // After LoggingApplicationListener#DEFAULT_ORDER
public class WelcomeLogoApplicationListener implements ApplicationListener<ApplicationEnvironmentPreparedEvent> {

//	private static AtomicBoolean processed = new AtomicBoolean(false);

	@Override
	public void onApplicationEvent(ApplicationEnvironmentPreparedEvent event) {

//		// Skip if processed before, prevent duplicated execution in Hierarchical
//		// ApplicationContext
//		if (processed.get()) {
//			return;
//		}
//
//		/**
//		 * Gets Logger After LoggingSystem configuration ready
//		 * 
//		 * @see LoggingApplicationListener
//		 */
//		final Logger logger = LoggerFactory.getLogger(getClass());
//
//		String bannerText = buildBannerText();
//
//		if (logger.isInfoEnabled()) {
//			logger.info(bannerText);
//		} else {
//			System.out.print(bannerText);
//		}
//
//		// mark processed to be true
//		processed.compareAndSet(false, true);
	}

	String buildBannerText() {

		StringBuilder bannerTextBuilder = new StringBuilder();

		bannerTextBuilder.append(LINE_SEPARATOR).append(LINE_SEPARATOR).append(" :: Dubbo Spring Boot (v")
				.append(Version.getVersion(getClass(), Version.getVersion())).append(") : ")
				.append(DUBBO_SPRING_BOOT_GITHUB_URL).append(LINE_SEPARATOR).append(" :: Dubbo (v")
				.append(Version.getVersion()).append(") : ").append(DUBBO_GITHUB_URL).append(LINE_SEPARATOR)
				.append(" :: Discuss group : ").append(DUBBO_MAILING_LIST).append(LINE_SEPARATOR);

		return bannerTextBuilder.toString();
	}
}